The GKTECH S-chassis bolt in gusseted power brace has been designed to help to reinforce your K-frame where it needs it. Laser cut and 2mm thick steel for strength this brace makes reinforcement of the K-frame easier than attempting to do it yourself. Combine with our K-frame plates (sold separately) for the complete solution. Pre-painted ready to bolt in. Vehicle Compatibility: - Nissan S13 240sx - Nissan S13 Silvia   NOTE: as the name suggests, this is a bolt in piece. In saying that, you will still need to drill 3 holes to mount this unit. The bolts, washers etc are supplied. NOTE #2: This bolt in power brace is compatible with both OEM and GKTECH High clearance sway bars.